The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its right to exist is coextensive with its power of resisting extinction by its rivals. — Thomas Huxley Copy Share Image
Perhaps no order of mammals presents us with so extraordinary a series of gradations as this [step by step, from humans to apes to… — Thomas Huxley Copy Share Image
There is nothing of permanent value (putting aside a few human affections) nothing that satisfies quiet reflection--except the sense of having worked according to… — Thomas Huxley Copy Share Image
It is not to be forgotten that what we call rational grounds for our beliefs are often extremely irrational attempts to justify our instincts. — Thomas Huxley Copy Share Image
Our reverence for the nobility of manhood will not be lessened by the knowledge that man is in substance and in structure, one with… — Thomas Huxley Copy Share Image
In science, as in art, and, as I believe, in every other sphere of human activity, there may be wisdom in a multitude of… — Thomas Huxley Copy Share Image
Science is simply common sense at its best, that is, rigidly accurate in observation, and merciless to fallacy in logic. — Thomas Huxley Copy Share Image
Oh devil! truth is better than much profit. I have searched over the grounds of my belief, and if wife and child and name… — Thomas Huxley Copy Share Image
Let us have "sweet girl graduates" by all means. They will be none the less sweet for a little wisdom; and the "golden hair"… — Thomas Huxley Copy Share Image
In matters of the intellect, do not pretend that conclusions are certain which are not demonstrated or demonstrable. That I take to be the… — Thomas Huxley Copy Share Image
And you very soon find out, if you have not found it out before, that patience and tenacity of purpose are worth more than… — Thomas Huxley Copy Share Image
No one who has lived in the world as long as you & I have, can entertain the pious delusion that it is engineered… — Thomas Huxley Copy Share Image
Mix salt and sand, and it shall puzzle the wisest of men, with his mere natural appliances, to separate all the grains of sand… — Thomas Huxley Copy Share Image
What are the moral convictions most fondly held by barbarous and semi-barbarous people? They are the convictions that authority is the soundest basis of… — Thomas Huxley Copy Share Image
![“Perhaps no order of mammals presents us with so extraordinary a series of gradations as this [step by step, from humans to apes to monkeys to lemurs] - leading us insensibly from the crown and summit of the animal creation down to creatures, from which there is but a step, as it seems, to the…” quote by Thomas Huxley](https://sms4smile.com/quotes/img-quotes/f0b/thomas-huxley-1183_animal_perhaps-no-order-of-mammals-presents-us_3051.jpg)
